/Engine/Source/Runtime/GeometryFramework/Public/Components/BaseDynamicMeshSceneProxy.h
FBaseDynamicMeshSceneProxyAPI - subclasses must implement these functions Return set of active renderbuffers. Must be implemented by subclass. This is the set of render buffers that will be drawn by GetDynamicMeshElements
void GetActiveRenderBufferSets ( [TArray](API\Runtime\Core\Containers\TArray)< [FMeshRenderBufferSet](API\Runtime\GeometryFramework\Components\FMeshRenderBufferSet) * > & Buffers ) const